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I use OBDFusion if I want a real-time dashboard on my phone whilst driving, and/or want to do data logging.
Boost pressure displays as nominal (i.e. 0-1psi) at idle, and can even read as a negative value if the engine is in overrun i.e. engine braking. It is never displayed as 14psi at idle speed.
Max boost for the 30d is typically displayed as ~24psi.
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Current : F31 330sD, remapped, Ohlins Road & Track, Millway camber plates, Quaife LSD, Stoptech brakes + Pagid RSL1 pads all round, Weichers front strut brace, Eibach front & rear anti-roll bars, Michelin MP4S.
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